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XR21B1422IL40-0A Datasheet, PDF (3/60 Pages) Exar Corporation – Enhanced 2-Ch Full-Speed USB UART
Symbol
Parameter
USB I/O Pins
VIL
Input Low Voltage
VIH
Input High Voltage
VOL
Output Low Voltage
VOH
Output High Voltage
VDrvZ
Driver Output Impedance
Conditions
External 15kΩ to GND on USBD+ and
USBD- pins
External 15kΩ to GND on USBD+ and
USBD- pins
XR21B1422
Min
Typ
Max
Units
-0.3
0.8
V
2.0
5.5
V
0
0.3
V
2.8
3.6
V
28
44
Ω
© 2014 Exar Corporation
3 / 60
exar.com/XR21B1422
Rev 1A